{"id":15443,"date":"2026-02-20T07:06:10","date_gmt":"2026-02-20T07:06:10","guid":{"rendered":"http:\/\/mariusz.bijok"},"modified":"2026-06-15T10:28:34","modified_gmt":"2026-06-15T10:28:34","password":"","slug":"business-intelligence-tools","status":"publish","type":"docs","link":"https:\/\/tenjin.com\/vi\/docs\/business-intelligence-tools\/","title":{"rendered":"C\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch kinh doanh"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Truy v\u1ea5n DataVault<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DataVault \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng Redshift v\u00e0 c\u00f3 c\u00fa ph\u00e1p truy v\u1ea5n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 PostgreSQL. H\u1ea7u h\u1ebft c\u00e1c c\u00f4ng c\u1ee5 BI \u0111\u1ec1u cho ph\u00e9p b\u1ea1n truy c\u1eadp c\u01a1 s\u1edf d\u1eef li\u1ec7u th\u00f4ng qua PostgreSQL. \u0110i\u1ec1u n\u00e0y l\u00e0 \u0111\u1ee7 \u0111\u1ec3 b\u1ea1n truy c\u1eadp v\u00e0o DataVault c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch kinh doanh (BI)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 BI \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u1edbi DataVault. Ch\u00fang t\u00f4i c\u0169ng c\u00f3 quan h\u1ec7 \u0111\u1ed1i t\u00e1c v\u1edbi m\u1ed9t s\u1ed1 c\u00f4ng ty trong s\u1ed1 n\u00e0y. Vui l\u00f2ng li\u00ean h\u1ec7 qua \u0111\u1ecba ch\u1ec9 info@tenjin.io n\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 th\u1eafc m\u1eafc n\u00e0o v\u1ec1 c\u00e1c m\u1ed1i quan h\u1ec7 \u0111\u1ed1i t\u00e1c n\u00e0y.<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium is-resized\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/tenjin.com\/wp-content\/uploads\/2026\/01\/image131.png?ssl=1\" alt=\"h\u00ecnh.png\" class=\"wp-image-13100\" style=\"width:75px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium is-resized\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/tenjin.com\/wp-content\/uploads\/2026\/01\/image132.png?ssl=1\" alt=\"h\u00ecnh.png\" class=\"wp-image-13101\" style=\"width:129px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium is-resized\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/tenjin.com\/wp-content\/uploads\/2026\/01\/image133.png?ssl=1\" alt=\"h\u00ecnh.png\" class=\"wp-image-13102\" style=\"width:93px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium is-resized\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/tenjin.com\/wp-content\/uploads\/2026\/01\/image134.png?ssl=1\" alt=\"h\u00ecnh.png\" class=\"wp-image-13103\" style=\"width:159px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium is-resized\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/tenjin.com\/wp-content\/uploads\/2026\/01\/image135.png?ssl=1\" alt=\"h\u00ecnh.png\" class=\"wp-image-13104\" style=\"width:81px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium is-resized\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/tenjin.com\/wp-content\/uploads\/2026\/01\/image136.png?ssl=1\" alt=\"h\u00ecnh.png\" class=\"wp-image-13105\" style=\"aspect-ratio:3.8937235271467077;width:206px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium is-resized\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/tenjin.com\/wp-content\/uploads\/2026\/01\/image290.png?ssl=1\" alt=\"h\u00ecnh.png\" class=\"wp-image-13106\" style=\"width:110px;height:auto\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1eaft \u0111\u1ea7u v\u1edbi SQL<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ecdc vi\u1ebft SQL c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c kh\u00f4ng h\u1ec1 nh\u1ecf. Tuy nhi\u00ean, t\u1ea5t c\u1ea3 c\u00e1c chuy\u00ean gia ti\u1ebfp th\u1ecb \u0111\u1ec1u s\u1ebd c\u1ea7n \u0111\u1ebfn k\u1ef9 n\u0103ng n\u00e0y v\u00e0o m\u1ed9t th\u1eddi \u0111i\u1ec3m n\u00e0o \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tenjin c\u00f3 nhi\u1ec1u t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n b\u1eaft \u0111\u1ea7u l\u00e0m quen v\u1edbi SQL v\u00e0 \u00e1p d\u1ee5ng n\u00f3 c\u00f9ng v\u1edbi DataVault. Khi b\u1ea1n \u0111\u00e3 th\u00e0nh th\u1ea1o h\u01a1n v\u1edbi SQL, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c c\u00e2u truy v\u1ea5n c\u1ee7a m\u00ecnh v\u00e0 ti\u1ebfp t\u1ee5c t\u1ed1i \u01b0u h\u00f3a! H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i qua \u0111\u1ecba ch\u1ec9 support@tenjin.com \u0111\u1ec3 truy c\u1eadp c\u00e1c t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ecdc SQL<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.w3schools.com\/sql\/sql_select.asp\">SELECT<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.w3schools.com\/sql\/sql_distinct.asp\">SELECT DISTINCT<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.w3schools.com\/sql\/sql_distinct.asp\">T\u1ea0I \u0110\u00c2U<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.w3schools.com\/sql\/sql_and_or.asp\">V\u00c0\/HO\u1eb6C\/KH\u00d4NG<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.w3schools.com\/sql\/sql_orderby.asp\">S\u1eaeP X\u1ebeP THEO<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.w3schools.com\/sql\/sql_join.asp\">THAM GIA<\/a>, <a href=\"https:\/\/www.w3schools.com\/sql\/sql_join_inner.asp\">INNER JOIN<\/a><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ef1a tr\u00ean nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n n\u00eau tr\u00ean, b\u1ea1n c\u00f3 th\u1ec3 tr\u00edch xu\u1ea5t c\u00e1c b\u1ea3ng d\u1eef li\u1ec7u hi\u1ec7n c\u00f3 trong DataVault v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ph\u00e9p n\u1ed1i (join) \u0111\u1ec3 li\u00ean k\u1ebft d\u1eef li\u1ec7u gi\u1eefa c\u00e1c b\u1ea3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft h\u1ee3p v\u1edbi c\u00e1c v\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y t\u1eeb Tenjin, b\u1ea1n s\u1ebd c\u00f3 \u0111\u1ee7 th\u00f4ng tin \u0111\u1ec3 b\u1eaft \u0111\u1ea7u th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a c\u1ea7n thi\u1ebft cho ho\u1ea1t \u0111\u1ed9ng ti\u1ebfp th\u1ecb.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Tenjin<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea5t c\u1ea3 c\u00e1c truy v\u1ea5n \u0111\u1ec1u \u0111\u01b0\u1ee3c vi\u1ebft cho DataVault v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 truy v\u1ea5n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SELECT COUNT(DISTINCT coalesce(advertising_id, developer_device_id)) as dau <br>T\u1eeb c\u00e1c s\u1ef1 ki\u1ec7n <br>WHERE created_at :: DATE = \u2018@DATE\u2019 V\u00c0 bundle_id = \u2018@BUNDLEID\u2019 V\u00c0 platform = \u2018@PLATFORM\u2019;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u truy v\u1ea5n n\u00e0y t\u00ednh to\u00e1n s\u1ed1 ng\u01b0\u1eddi d\u00f9ng ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y (DAU) cho m\u1ed9t ng\u00e0y c\u1ee5 th\u1ec3. Ngay c\u1ea3 khi kh\u00f4ng bi\u1ebft SQL, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 ph\u1ea7n n\u00e0o hi\u1ec3u \u0111\u01b0\u1ee3c n\u00f3 \u0111ang l\u00e0m g\u00ec. Tuy nhi\u00ean, h\u00e3y t\u1ea1m th\u1eddi b\u1ecf qua b\u1ed1i c\u1ea3nh c\u1ee5 th\u1ec3 \u2013 ch\u1ec9 c\u1ea7n bi\u1ebft r\u1eb1ng n\u00f3 t\u00ednh to\u00e1n DAU cho m\u1ed9t ng\u00e0y c\u1ee5 th\u1ec3 l\u00e0 \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph translation-block\">V\u1edbi t\u01b0 c\u00e1ch l\u00e0 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, b\u1ea1n ch\u1ec9 c\u1ea7n thay \u0111\u1ed5i t\u1ea5t c\u1ea3 c\u00e1c bi\u1ebfn c\u00f3 k\u00fd hi\u1ec7u <code>@<\/code> \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 mong mu\u1ed1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph translation-block\">Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, h\u00e3y thay \u0111\u1ed5i <code>@DATE<\/code> th\u00e0nh ng\u00e0y m\u00e0 b\u1ea1n mu\u1ed1n ph\u00e2n t\u00edch, <code>@BUNDLEID<\/code> th\u00e0nh <code>bundle_id<\/code> m\u00e0 b\u1ea1n \u0111ang s\u1eed d\u1ee5ng, v\u00e0 <code>@PLATFORM<\/code> th\u00e0nh <code>platform<\/code> m\u00e0 b\u1ea1n \u0111ang xem x\u00e9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cu\u1ed1i c\u00f9ng, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e2u truy v\u1ea5n \u0111\u1ec3 n\u00f3 tr\u00f4ng gi\u1ed1ng nh\u01b0 sau: <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SELECT COUNT(DISTINCT coalesce(advertising_id, developer_device_id)) as dau <br>T\u1eeb c\u00e1c s\u1ef1 ki\u1ec7n <br>WHERE created_at :: DATE = \u20182018-02-01\u2019 V\u00c0 bundle_id = \u2018com.tenjin.wordfinder\u2019 V\u00c0 platform = \u2018ios\u2019;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u00ednh to\u00e1n ch\u1ec9 s\u1ed1 DAU cho m\u1ed9t \u1ee9ng d\u1ee5ng tr\u00ean iOS.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>","protected":false},"excerpt":{"rendered":"<p>Querying DataVault DataVault is built on Redshift and has a query syntax similar to PostgreSQL. Most BI tools allow you to access databases through PostgreSQL. This should be sufficient to access your DataVault. Business Intelligence (BI) Tools Here are a few BI tools that are known to work well with DataVault. We also have partnerships&#8230;<\/p>","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"doc_category":[96],"glossaries":[],"doc_tag":[],"class_list":["post-15443","docs","type-docs","status-publish","hentry","doc_category-datavault"],"acf":[],"year_month":"2026-07","word_count":393,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"Anurag","author_nicename":"anurag","author_url":"https:\/\/tenjin.com\/vi\/blog\/author\/anurag\/"},"doc_category_info":[{"term_name":"DataVault","term_url":"https:\/\/tenjin.com\/vi\/docs\/category\/datavault\/"}],"doc_tag_info":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BI: Querying DataVault | Tenjin<\/title>\n<meta name=\"description\" content=\"Learn how to optimize SQL queries for DataVault on Redshift, and explore BI tools that enhance your data analysis skills. 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